BEWiSynbra Circulum® NF-334p Expandable Polystyrene

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BEWiSynbra Circulum® NF-334p Expandable Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Expanded Polystyrene (EPS)
Material Notes:	Description: NF-334p is a flame retardant (FR) expandable polystyrene grade containing pentane as a blowing agent and a brominated polymeric flame retardant as an FR additive. The product is delivered in the form of spherical beads with a bulk density of about 0.6 g/cm3 and is available in 1100 kg octabins. Applications: The properties of NF-334p make it suitable for the production of flame retardant light and heavy insulation board by block or shape moulding in accordance with ISO EN 11925-2 class E. It suits particularly well for applications where low water uptake is needed, like frost insulation and building perimeter. Information provided by BEWi Synbra
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Physical Properties	Metric	English	Comments

Bulk Density	0.600 g/cc	0.0217 lb/in³
Storage Temperature	20.0 °C	68.0 °F

Mechanical Properties	Metric	English	Comments
Flexural Strength	0.100 MPa	14.5 psi	10 kg/m3; EN 12089
	0.170 MPa	24.7 psi	15 kg/m3; EN 12089
	0.240 MPa	34.8 psi	20 kg/m3; EN 12089
	0.380 MPa	55.1 psi	30 kg/m3; EN 12089
Compressive Strength	0.0400 MPa @Strain 10 %	5.80 psi @Strain 10 %	10 kg/m3; EN 826
	0.0800 MPa @Strain 10 %	11.6 psi @Strain 10 %	15 kg/m3; EN 826
	0.120 MPa @Strain 10 %	17.4 psi @Strain 10 %	20 kg/m3; EN 826
	0.200 MPa @Strain 10 %	29.0 psi @Strain 10 %	30 kg/m3; EN 826

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.0330 W/m-K	0.229 BTU-in/hr-ft²-°F	30 kg/m3; EN 12667
	0.0350 W/m-K	0.243 BTU-in/hr-ft²-°F	20 kg/m3; EN 12667
	0.0380 W/m-K	0.264 BTU-in/hr-ft²-°F	15 kg/m3; EN 12667
	0.0420 W/m-K	0.291 BTU-in/hr-ft²-°F	10 kg/m3; EN 12667

Descriptive Properties
Raw material	<0.1%		Monomer level
	1.2-2.5 mm		Main bead size distribution
	5.5-6.5%		Pentane content

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PBEWS033 / 250842

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